Anemone oregana |
Anemone edwardsiana |
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blue windflower, bog anemone, Oregon anemone, Oregon windflower, western wood anemone, western wood anenome |
Edwards Plateau thimbleweed |
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Aerial shoots | 5-30(-35) cm, from rhizomes, rhizomes horizontal. |
(20-)30-50 cm, from tubers, tubers ±vertical. |
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Basal leaves | 0-1, ternate; petiole 4-20 cm; terminal leaflet sessile to petiolulate, oblanceolate to rhombic, oblong, or ovate, 1-5(-6) × 0.7-2.5(-3.5) cm, base narrowly cuneate, margins sharply serrate on distal 1/2(-2/3), apex acuminate to acute, surfaces strigose to nearly glabrous; lateral leaflets unlobed or 1x-lobed; ultimate lobes 0.4-10 mm wide. |
3-6, 1-(nearly 2)-ternate; petiole 8-15 cm; terminal leaflet petiolulate, oblanceolate to obovate, 2-5 × 2-2.5 cm, base broadly cuneate, margins coarsely crenate on distal 1/2, apex obtuse to broadly acute, surfaces glabrous; lateral leaflets 1x-lobed; ultimate lobes 4-8(-12) mm wide. |
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Inflorescences | 1-flowered; peduncle proximally glabrous, distally villous to pilose; involucral bracts 3, 1-tiered, ternate, ±similar to basal leaves, bases distinct; terminal leaflet sessile to petiolulate, oblanceolate to rhombic, oblong, or ovate, 1-8 × 0.8-3(-3.5) cm, bases narrowly cuneate to cuneate, margins crenate to serrate on distal 1/2(-2/3), apex acuminate to acute, surfaces abaxially glabrous or strigose, adaxially nearly glabrous to strigose; lateral leaflets unlobed or 1x-lobed; ultimate lobes 0.5-10 mm wide. |
(1-)2-5-flowered cymes; peduncle proximally nearly glabrous, distally densely pubescent; involucral bracts primarily 3, 2-tiered, simple, dissimilar to basal leaves, 3-cleft to pinnatifid, 2-5 cm, bases clasping, ±connate, margins coarsely crenate throughout, apex narrowly acute to acuminate, surfaces glabrous; segments primarily 3, linear; lateral segments unlobed or occasionally 1x-lobed; ultimate lobes 3-5 mm wide. |
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Flowers | sepals 5-7(-8), blue to purple, reddish, or purple to pink (rarely nearly white or abaxially reddish, violet, or marginally purple, adaxially white), ovate, oblong, or elliptic, 10-20 × 5-8(-10) mm, glabrous; stamens 30-75. |
sepals (8-)10-20, white to bluish, oblanceolate, 10-16 × 2-3 mm, sparsely hairy to nearly glabrous; stamens 50-60. |
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Achenes | body oblong to ellipsoid, 4-5 × 1.5-2 mm, not winged, puberulous to pilose, rarely glabrous; beak ±straight, (0.5-)1-1.5 mm, glabrous. |
body orbiculate, flat, not winged, ±dull or varnished, woolly with long tuft of hairs at base, or glabrous; beak straight, rarely curved, 0.5-1 mm, glabrous or sparsely villous proximally, not plumose. |
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Heads of achenes | nearly spheric; pedicel (1.5-)2-5(-7) cm. |
obconic to fusiform; pedicel 10-20 cm. |
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2n | =16. |
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Anemone oregana |
Anemone edwardsiana |
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Distribution |
CA; OR; WA
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TX |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Anemone edwardsiana is found only in Texas on the Edwards Plateau. Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 3. | FNA vol. 3. | ||||||||
Parent taxa | Ranunculaceae > Anemone | Ranunculaceae > Anemone | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Name authority | A. Gray: Proc. Amer. Acad. Arts 22: 308. (1887) | Tharp: Amer. Midl. Naturalist 33: 669. (1945) | ||||||||
Web links |